Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Front Wiper Operating Constantly W/Switch In Off Position

SYMPTOM
* FRONT WIPER OPERATING CONSTANTLY W/SWITCH IN OFF POSITION

POSSIBLE CAUSES
- Front wiper ON/OFF relay control circuit shorted to ground
- Defective wiper ON relay/substitute relay
- Defective multifunction switch/voltage
- High/Low wiper relay HI speed output circuit shorted to voltage
- High/Low wiper relay LO speed output circuit shorted to voltage
- Defective BCM - 100 ohms default